package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName GuliMallExceptionControllerAdvice
 * @Description 统一异常处理
 * @Author 26356
 * @Date 2023/4/15 15:24:44
 * @Version 1.0
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GuliMallExceptionControllerAdvice {

    /**
     * 数据校验的异常 方法
     * @param e 捕获的异常
     * @return R
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型:{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }


    /**
     * 统一异常处理（所有异常处理）
     * @param throwable
     * @return
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
